What is DDL statement in hive ?
Answer : The outline of the database schema typically change by SQL statements they are creating, deleting
What is the default value in hive ?
Answer : It does not contains default values, the normal way to handle null values by using the combine function
What is system registry hive ?
Answer : The logical group of keys, subkeys, and values in the registry that has a set of supporting files containing...
What is serde in hive ?
Answer : Apache Hive uses Serde to read and write data from tables.
What is hive metastore ?
Answer : It stores the metadata for Hive tables,it separates in relational database
What is hive server ?
Answer : HiveServer - It allows a remote client to submit requests to Hive, using a programming languages, and results.
What is Data Hive ?
Answer : Data Hive is a data warehouse software project built on top of Apache Hadoop for providing query, and analysis.
What is hive ?
Answer : Hive is a component of Hortonworks Data Platform(HDP).
What is the process to perform an incremental data load in sqoop ?
Answer : Sqoop provides an incremental import mode.
What is commodity hardware ?
Answer : Commodity hardware is a low-cost system identified ...
What are the features of Apache HBase ?
Answer : Linear and modular scalability...
Difference between Hive and HBase ?
Answer : Hive is a datawarehousing package built on the top of Hadoop...
What are the different configuration files in Hadoop ?
Answer : hadoop-env.sh,core-site.xml,hdfs-site.xml...
What are the different types of file permissions in HDFS ?
Answer : Hadoop distributed file system (HDFS) uses a specific permissions...
Difference between nfs and hdfs ?
Answer : NFS (Network File System) is one of the oldest and popular...
Why do we need Data Locality in Hadoop ?
Answer : Datasets in HDFS store as blocks in DataNodes...
What are the running modes of Hadoop ?
Answer : The three running modes of Hadoop are as follows...
What are the configuration parameters in a “MapReduce” program ?
Answer : Input location of Jobs in the distributed file system...
What are the core components of Hadoop ?
Answer : Hadoop is an open source framework that is meant...
What are the features of Hadoop ?
Answer : Hadoop supports the storage and processing of big data...
